🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.64 AU - 0.98 AU

Year: 279 Days

Day: 47.7 Hours

Environment

Temp: 35 °C

Axial Tilt: 39 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.2 AU - 1.54 AU

Year: 614 Days

Day: 31.8 Hours

Environment

Temp: -37 °C

Axial Tilt: 15.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.79 AU - 4.03 AU

Year: 2411 Days

Day: 27 Hours

Environment

Temp: -131 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.34 AU - 4.36 AU

Year: 2892 Days

Day: 42.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 27 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 107,134,111 km

• M1: 3,193,765 km (0.025 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.91 AU - 4.01 AU

Year: 3017 Days

Day: 41.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 107,134,111 km

• M1: 2,505,166 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48

Radius: 14.4

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.35 AU - 5.57 AU

Year: 3606 Days

Day: 15 Hours

Environment

Temp: -150 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 107,134,111 km

• M1: 186,100 km (0.064 R)
• M2: 457,919 km (0.115 R)
• M3: 639,980 km (0.066 R)
• M4: 802,443 km (0.048 R)
• M5: 898,934 km (0.085 R)
• M6: 1,006,345 km (0.106 R)
• M7: 1,193,791 km (0.063 R)
• M8: 1,422,975 km (0.099 R)
• M9: 1,620,444 km (0.119 R)
• M10: 1,859,950 km (0.112 R)
• M11: 2,068,639 km (0.052 R)
• M12: 2,258,928 km (0.044 R)
• M13: 2,713,556 km (0.082 R)
• M14: 2,903,545 km (0.067 R)
• M15: 3,078,425 km (0.098 R)
• M16: 3,500,291 km (0.118 R)
• M17: 3,876,978 km (0.06 R)
• M18: 4,288,821 km (0.083 R)
• M19: 4,545,083 km (0.074 R)
• M20: 5,178,330 km (0.069 R)
• M21: 5,296,513 km (0.095 R)
• M22: 6,186,620 km (0.055 R)
• M23: 6,438,543 km (0.108 R)
• M24: 6,668,325 km (0.103 R)
• M25: 6,966,025 km (0.119 R)
• M26: 7,627,995 km (0.086 R)
• M27: 8,076,041 km (0.07 R)
• M28: 9,312,767 km (0.064 R)
• M29: 9,923,874 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 498.6

Radius: 3.9

Gravity: 32.78 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 11.45 AU - 14.61 AU

Year: 18009 Days

Day: 19.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 107,134,111 km

• M1: 165,605 km (0.078 R)
• M2: 826,678 km (0.034 R)
• M3: 1,105,379 km (0.096 R)
• M4: 1,601,146 km (0.098 R)
• M5: 1,799,214 km (0.072 R)
• M6: 2,065,199 km (0.101 R)
• M7: 2,095,567 km (0.05 R)
• M8: 2,407,030 km (0.091 R)
• M9: 2,503,221 km (0.11 R)
• M10: 3,716,460 km (0.114 R)
• M11: 3,940,258 km (0.087 R)
• M12: 4,677,327 km (0.047 R)
• M13: 5,041,149 km (0.087 R)
• M14: 5,164,418 km (0.066 R)
• M15: 5,624,880 km (0.101 R)
• M16: 5,838,506 km (0.102 R)
• M17: 6,011,291 km (0.088 R)
• M18: 6,674,309 km (0.07 R)
• M19: 7,453,265 km (0.062 R)
• M20: 7,687,835 km (0.072 R)
• M21: 7,735,108 km (0.052 R)
• M22: 9,396,392 km (0.06 R)
• M23: 10,008,098 km (0.108 R)
• M24: 10,790,794 km (0.117 R)
• M25: 12,138,222 km (0.086 R)
• M26: 13,028,179 km (0.114 R)
• M27: 13,140,827 km (0.104 R)
• M28: 13,310,471 km (0.106 R)
• M29: 13,881,186 km (0.116 R)
• M30: 14,576,667 km (0.12 R)
• M31: 14,869,729 km (0.092 R)
• M32: 15,046,554 km (0.081 R)
• M33: 15,342,758 km (0.049 R)
• M34: 16,061,426 km (0.106 R)
• M35: 16,729,979 km (0.087 R)
• M36: 17,159,923 km (0.114 R)
• M37: 17,780,754 km (0.114 R)
• M38: 18,282,505 km (0.098 R)
• M39: 18,598,606 km (0.1 R)
• M40: 19,171,865 km (0.116 R)
• M41: 19,751,108 km (0.084 R)
• M42: 19,945,435 km (0.114 R)
• M43: 20,466,634 km (0.107 R)
• M44: 21,256,960 km (0.031 R)
• M45: 21,456,075 km (0.083 R)
• M46: 22,663,928 km (0.055 R)
• M47: 23,412,815 km (0.065 R)
• M48: 24,308,308 km (0.115 R)
• M49: 25,214,871 km (0.054 R)
• M50: 25,355,343 km (0.112 R)
• M51: 25,707,646 km (0.101 R)
• M52: 25,919,776 km (0.072 R)
• M53: 26,631,263 km (0.112 R)
• M54: 26,774,279 km (0.051 R)
• M55: 26,917,594 km (0.104 R)
• M56: 27,493,246 km (0.057 R)
• M57: 28,291,650 km (0.087 R)
• M58: 28,364,504 km (0.093 R)
• M59: 28,510,661 km (0.063 R)
• M60: 29,540,194 km (0.104 R)
• M61: 30,283,097 km (0.118 R)
• M62: 30,656,792 km (0.12 R)
• M63: 31,484,368 km (0.089 R)
• M64: 32,166,833 km (0.097 R)
• M65: 37,079,179 km (0.093 R)
• M66: 37,238,949 km (0.116 R)
• M67: 37,559,089 km (0.038 R)
• M68: 38,525,042 km (0.097 R)
• M69: 39,907,326 km (0.063 R)
• M70: 40,810,299 km (0.109 R)
• M71: 42,386,013 km (0.045 R)
• M72: 43,896,952 km (0.104 R)
• M73: 44,489,360 km (0.096 R)
• M74: 45,169,431 km (0.075 R)
• M75: 49,059,275 km (0.088 R)
• M76: 50,467,889 km (0.069 R)
• M77: 51,088,271 km (0.092 R)
• M78: 52,695,252 km (0.098 R)
• M79: 53,234,701 km (0.095 R)
• M80: 54,137,674 km (0.036 R)
• M81: 54,954,628 km (0.098 R)
• M82: 56,050,283 km (0.077 R)
• M83: 56,325,393 km (0.107 R)
• M84: 56,417,097 km (0.053 R)
• M85: 57,337,722 km (0.106 R)
• M86: 57,430,024 km (0.066 R)
• M87: 57,522,326 km (0.068 R)
• M88: 57,892,431 km (0.12 R)
• M89: 58,448,786 km (0.108 R)
• M90: 59,286,983 km (0.083 R)
• M91: 59,660,678 km (0.092 R)
• M92: 59,847,825 km (0.116 R)
• M93: 61,635,669 km (0.076 R)
• M94: 62,488,527 km (0.111 R)
• M95: 63,059,392 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 96.5

Radius: 7.9

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 13.76 AU - 17.84 AU

Year: 24047 Days

Day: 16 Hours

Environment

Temp: -202 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 107,134,111 km

• M1: 390,750 km (0.114 R)
• M2: 722,109 km (0.026 R)
• M3: 855,550 km (0.1 R)
• M4: 1,015,770 km (0.106 R)
• M5: 1,264,252 km (0.078 R)
• M6: 1,447,659 km (0.045 R)
• M7: 2,289,296 km (0.099 R)
• M8: 2,641,450 km (0.115 R)
• M9: 2,719,240 km (0.119 R)
• M10: 2,824,109 km (0.069 R)
• M11: 3,826,863 km (0.102 R)
• M12: 4,033,607 km (0.09 R)
• M13: 4,613,598 km (0.052 R)
• M14: 4,802,092 km (0.117 R)
• M15: 5,284,545 km (0.105 R)
• M16: 6,020,118 km (0.115 R)
• M17: 6,157,299 km (0.036 R)
• M18: 6,504,815 km (0.083 R)
• M19: 7,511,459 km (0.053 R)
• M20: 7,882,611 km (0.089 R)
• M21: 8,992,777 km (0.112 R)
• M22: 9,149,855 km (0.101 R)
• M23: 9,307,680 km (0.062 R)
• M24: 10,273,783 km (0.119 R)
• M25: 11,019,230 km (0.11 R)
• M26: 12,169,637 km (0.038 R)
• M27: 12,299,937 km (0.115 R)
• M28: 12,430,536 km (0.099 R)
• M29: 12,693,230 km (0.109 R)
• M30: 14,536,874 km (0.061 R)
• M31: 14,813,630 km (0.108 R)
• M32: 15,466,176 km (0.112 R)
• M33: 16,223,440 km (0.094 R)
• M34: 16,366,905 km (0.079 R)
• M35: 16,654,731 km (0.102 R)
• M36: 17,138,381 km (0.034 R)
• M37: 18,168,961 km (0.074 R)
• M38: 18,516,925 km (0.118 R)
• M39: 19,675,860 km (0.09 R)
• M40: 20,961,803 km (0.119 R)
• M41: 21,641,277 km (0.109 R)
• M42: 22,221,866 km (0.094 R)
• M43: 23,344,449 km (0.09 R)
• M44: 24,211,967 km (0.116 R)
• M45: 25,034,904 km (0.064 R)
• M46: 25,366,713 km (0.097 R)
• M47: 25,533,215 km (0.086 R)
• M48: 25,699,867 km (0.106 R)
• M49: 25,811,317 km (0.106 R)
• M50: 25,922,917 km (0.086 R)
• M51: 25,978,717 km (0.118 R)
• M52: 26,146,417 km (0.083 R)
• M53: 26,651,908 km (0.085 R)
• M54: 27,615,318 km (0.103 R)
• M55: 27,843,754 km (0.049 R)
• M56: 29,052,804 km (0.084 R)
• M57: 29,285,130 km (0.113 R)
• M58: 29,985,547 km (0.101 R)
• M59: 31,224,666 km (0.065 R)
• M60: 31,760,825 km (0.112 R)
• M61: 32,902,556 km (0.105 R)
• M62: 34,241,457 km (0.059 R)
• M63: 34,548,282 km (0.104 R)
• M64: 35,164,475 km (0.115 R)
• M65: 35,226,259 km (0.091 R)
• M66: 35,722,176 km (0.08 R)
• M67: 36,220,487 km (0.114 R)
• M68: 36,282,869 km (0.102 R)
• M69: 36,658,360 km (0.11 R)
• M70: 36,721,041 km (0.1 R)
• M71: 36,783,723 km (0.089 R)
• M72: 36,909,235 km (0.092 R)
• M73: 36,972,067 km (0.089 R)
• M74: 37,097,878 km (0.065 R)
• M75: 37,665,752 km (0.083 R)
• M76: 37,855,592 km (0.109 R)
• M77: 39,193,745 km (0.111 R)
• M78: 39,836,417 km (0.095 R)
• M79: 39,965,370 km (0.069 R)
• M80: 40,677,007 km (0.114 R)
• M81: 41,785,228 km (0.072 R)
• M82: 42,969,296 km (0.048 R)
• M83: 43,233,934 km (0.083 R)
• M84: 43,831,428 km (0.11 R)
• M85: 43,897,850 km (0.078 R)
• M86: 44,031,141 km (0.105 R)
• M87: 44,632,226 km (0.042 R)
• M88: 44,766,116 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.6

Radius: 4.2

Gravity: 50.54 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 14.9 AU - 21.14 AU

Year: 29289 Days

Day: 17.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 107,134,111 km

• M1: 378,034 km (0.073 R)
• M2: 581,038 km (0.106 R)
• M3: 1,074,412 km (0.065 R)
• M4: 1,951,055 km (0.08 R)
• M5: 2,120,999 km (0.054 R)
• M6: 2,659,252 km (0.031 R)
• M7: 3,040,278 km (0.108 R)
• M8: 3,089,196 km (0.096 R)
• M9: 3,138,264 km (0.051 R)
• M10: 3,438,507 km (0.117 R)
• M11: 4,012,215 km (0.111 R)
• M12: 4,337,740 km (0.103 R)
• M13: 5,246,098 km (0.106 R)
• M14: 5,721,670 km (0.057 R)
• M15: 6,586,794 km (0.112 R)
• M16: 6,713,653 km (0.048 R)
• M17: 7,099,167 km (0.068 R)
• M18: 7,958,756 km (0.075 R)
• M19: 8,026,225 km (0.072 R)
• M20: 9,486,599 km (0.119 R)
• M21: 9,701,871 km (0.095 R)
• M22: 9,846,233 km (0.055 R)
• M23: 9,991,343 km (0.103 R)
• M24: 10,951,611 km (0.088 R)
• M25: 11,101,957 km (0.108 R)
• M26: 11,177,355 km (0.035 R)
• M27: 11,710,073 km (0.106 R)
• M28: 11,786,816 km (0.099 R)
• M29: 13,598,446 km (0.077 R)
• M30: 14,825,747 km (0.11 R)
• M31: 15,494,599 km (0.07 R)
• M32: 16,516,353 km (0.084 R)
• M33: 16,861,774 km (0.087 R)
• M34: 17,035,308 km (0.119 R)
• M35: 18,983,521 km (0.102 R)
• M36: 19,345,398 km (0.078 R)
• M37: 20,167,588 km (0.091 R)
• M38: 21,187,846 km (0.056 R)
• M39: 21,469,090 km (0.094 R)
• M40: 22,130,013 km (0.109 R)
• M41: 22,320,002 km (0.116 R)
• M42: 22,797,519 km (0.062 R)
• M43: 23,278,326 km (0.107 R)
• M44: 23,665,486 km (0.105 R)
• M45: 25,533,065 km (0.074 R)
• M46: 27,345,444 km (0.107 R)
• M47: 29,511,770 km (0.106 R)
• M48: 30,140,829 km (0.036 R)
• M49: 30,456,930 km (0.057 R)
• M50: 32,484,729 km (0.107 R)
• M51: 32,592,738 km (0.057 R)
• M52: 33,351,499 km (0.086 R)
• M53: 35,329,332 km (0.102 R)
• M54: 35,440,334 km (0.12 R)
• M55: 35,885,537 km (0.081 R)
• M56: 36,444,584 km (0.096 R)
• M57: 40,786,064 km (0.101 R)
• M58: 41,486,332 km (0.092 R)
• M59: 42,426,255 km (0.097 R)
• M60: 43,135,648 km (0.088 R)
• M61: 48,087,787 km (0.049 R)
• M62: 49,695,066 km (0.108 R)
• M63: 50,317,842 km (0.06 R)
• M64: 53,981,195 km (0.097 R)
• M65: 54,236,858 km (0.104 R)
• M66: 56,168,166 km (0.119 R)
• M67: 58,252,812 km (0.092 R)
• M68: 61,293,539 km (0.086 R)
• M69: 62,229,273 km (0.065 R)
• M70: 66,429,234 km (0.104 R)
• M71: 68,909,566 km (0.092 R)
• M72: 72,263,551 km (0.094 R)
• M73: 72,969,054 km (0.082 R)
• M74: 75,670,343 km (0.115 R)
• M75: 77,249,199 km (0.112 R)
• M76: 77,970,410 km (0.116 R)
• M77: 80,147,508 km (0.102 R)
• M78: 81,756,732 km (0.073 R)
• M79: 82,344,502 km (0.111 R)
• M80: 83,228,775 km (0.112 R)
• M81: 85,006,896 km (0.112 R)
• M82: 86,498,237 km (0.088 R)
• M83: 86,647,835 km (0.117 R)
• M84: 90,112,372 km (0.095 R)
• M85: 90,871,431 km (0.112 R)
• M86: 93,621,938 km (0.08 R)
• M87: 94,544,807 km (0.105 R)
• M88: 97,175,934 km (0.072 R)
• M89: 97,642,829 km (0.108 R)
• M90: 99,674,219 km (0.108 R)
• M91: 99,988,075 km (0.109 R)
• M92: 101,246,343 km (0.118 R)
• M93: 101,404,019 km (0.084 R)
• M94: 104,733,768 km (0.088 R)
• M95: 104,893,240 km (0.065 R)
• M96: 105,851,713 km (0.053 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 13,342 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit